A Comparison of Modulation Techniques for Modular Multilevel Converters

This work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-vector modulation (SVM) and the nearest level m...

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Main Authors: Miguel Moranchel, Francisco Huerta, Inés Sanz, Emilio Bueno, Francisco J. Rodríguez
Format: Article
Language:English
Published: MDPI AG 2016-12-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/9/12/1091
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author Miguel Moranchel
Francisco Huerta
Inés Sanz
Emilio Bueno
Francisco J. Rodríguez
author_facet Miguel Moranchel
Francisco Huerta
Inés Sanz
Emilio Bueno
Francisco J. Rodríguez
author_sort Miguel Moranchel
collection DOAJ
description This work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-vector modulation (SVM) and the nearest level modulation (NLM). This paper focuses on analysing the particularities and implementation of each modulation technique. The modulation technique largely defines the generated harmonic content, making this is a key point that must be studied in depth. The paper briefly describes the three modulation techniques and analyses the harmonics generated by each one of the methods. In addition, the paper presents and compares the digital implementation of the three modulation methods in a Field Programmable Gate Array (FPGA). The proposed approaches are validated using a real processing platform and experimentally evaluated in a real high-power six-level MMC.
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spelling doaj.art-d3722b456c804dd894f769b2693c80022022-12-22T01:57:08ZengMDPI AGEnergies1996-10732016-12-01912109110.3390/en9121091en9121091A Comparison of Modulation Techniques for Modular Multilevel ConvertersMiguel Moranchel0Francisco Huerta1Inés Sanz2Emilio Bueno3Francisco J. Rodríguez4Electronics Department, Universidad de Alcalá, Escuela Politécnica, 28805 Alcalá de Henares, SpainElectronics Department, Universidad de Alcalá, Escuela Politécnica, 28805 Alcalá de Henares, SpainElectronics Department, Universidad de Alcalá, Escuela Politécnica, 28805 Alcalá de Henares, SpainElectronics Department, Universidad de Alcalá, Escuela Politécnica, 28805 Alcalá de Henares, SpainElectronics Department, Universidad de Alcalá, Escuela Politécnica, 28805 Alcalá de Henares, SpainThis work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-vector modulation (SVM) and the nearest level modulation (NLM). This paper focuses on analysing the particularities and implementation of each modulation technique. The modulation technique largely defines the generated harmonic content, making this is a key point that must be studied in depth. The paper briefly describes the three modulation techniques and analyses the harmonics generated by each one of the methods. In addition, the paper presents and compares the digital implementation of the three modulation methods in a Field Programmable Gate Array (FPGA). The proposed approaches are validated using a real processing platform and experimentally evaluated in a real high-power six-level MMC.http://www.mdpi.com/1996-1073/9/12/1091modulation techniquesmodular multilevel converternearest level modulationspace vector modulationsinusoidal pulse width modulation
spellingShingle Miguel Moranchel
Francisco Huerta
Inés Sanz
Emilio Bueno
Francisco J. Rodríguez
A Comparison of Modulation Techniques for Modular Multilevel Converters
Energies
modulation techniques
modular multilevel converter
nearest level modulation
space vector modulation
sinusoidal pulse width modulation
title A Comparison of Modulation Techniques for Modular Multilevel Converters
title_full A Comparison of Modulation Techniques for Modular Multilevel Converters
title_fullStr A Comparison of Modulation Techniques for Modular Multilevel Converters
title_full_unstemmed A Comparison of Modulation Techniques for Modular Multilevel Converters
title_short A Comparison of Modulation Techniques for Modular Multilevel Converters
title_sort comparison of modulation techniques for modular multilevel converters
topic modulation techniques
modular multilevel converter
nearest level modulation
space vector modulation
sinusoidal pulse width modulation
url http://www.mdpi.com/1996-1073/9/12/1091
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